I am using Qt 6.11 Qt Quick android project on Windows 10 PC. My target smartphone is Samsung Galaxy A51.

I am not able to activate cutoff screen mode. If I set it up manually in Settings-Display->Cutoff it works fine.

How to programmatically set up Edge-to-Edge mode?

AndroidManifest:

<?xml version="1.0"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="org.qtproject.example.appRoboX"
    android:installLocation="auto"
    android:versionCode="1"
    android:versionName="1.0">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-feature android:name="android.hardware.camera" android:required="true" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

    <uses-permission android:name="android.permission.ACCESS_SURFACE_FLINGER" />
    <uses-feature android:name="android.hardware.opengl" android:required="true" />
    <supports-screens
        android:anyDensity="true"
        android:largeScreens="true"
        android:normalScreens="true"
        android:smallScreens="true" />

    <application
        android:name="org.qtproject.qt.android.bindings.QtApplication"
        android:hardwareAccelerated="true"
        android:label="RoboX"
        android:allowBackup="true"
        android:resizeableActivity="true"
        android:theme="@style/AppTheme"
        android:icon="@mipmap/ic_launcher">

        <uses-native-library android:name="libOpenCL.so"/>

        <activity
            android:name="org.qtproject.example.appRoboX.QtActivity"
            android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation|mcc|mnc|density"
            android:label="RoboX"
            android:launchMode="singleTop"
            android:screenOrientation="landscape"
            android:exported="true"
            android:theme="@style/AppTheme">

            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>

            <meta-data
                android:name="android.app.lib_name"
                android:value="appRoboX" />
        </activity>
    </application>
</manifest>

QtActivity.java:

package org.qtproject.example.appRoboX;

import android.os.Bundle;
import android.content.Intent;
import android.util.Log;
import androidx.annotation.NonNull;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.os.Build;
import androidx.core.view.WindowCompat;

public class QtActivity extends org.qtproject.qt.android.bindings.QtActivity {
    private static final String TAG = "QtActivity";


   private void makeFullScreen() {
            Window window = getWindow();
            if (window != null) {
                window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
                window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
                window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
                window.getDecorView().setSystemUiVisibility(
                    View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_FULLSCREEN
                );
            }
        }


    private void setCutoutMode() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
            WindowManager.LayoutParams params = getWindow().getAttributes();
            params.layoutInDisplayCutoutMode =
                WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
            getWindow().setAttributes(params);
        }
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setCutoutMode();
        makeFullScreen();

        Log.d(TAG, "QtActivity onCreate");
    }
}

Style.xml:

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="AppTheme" parent="@android:style/Theme.Black.NoTitleBar.Fullscreen">
        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowFullscreen">true</item>
    </style>
</resources>

Main.qml:

ApplicationWindow {
    id: mainWindow
    visible: true
    width: Screen.width
    height: Screen.height
    visibility: Window.FullScreen
    flags: Qt.Window | Qt.ExpandedClientAreaHint | Qt.NoTitleBarBackgroundHint
    color: "black"
...

 if (Qt.platform.os === "android") {
            mainWindow.showFullScreen()
            mainWindow.visibility = Window.FullScreen
        }
}